• • The Bay Area has always boasted a lively music scene but the 1990s represented a particularly heady period. It was the decade homegrown acts like Green Day, Tupac Shakur, Metallica, MC Hammer and …

• • Donna Summer, the graceful and commanding singer who ruled the disco era with hits like “Last Dance” and “Bad Girls, winning five Grammy Awards, died Thursday in Florida. She was 63. The cause was …